Insane battery life after 3.1 update

experienced this battery issue right after iPhone 3.1 update, so i decided to restore as new phone this morning and use it without changing anything, didn't even add email accounts or applications and still experiencing same issues.

At this time my phone is practically unusable what so ever! tried turning off and on, clearing all settings, etc etc with no luck. Any tips or help would be appreciated

You cant do that with a 3GS can you? I could be mistaken but I thought you couldn't go back on 3GS.

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I think it depends on whether you saved the backup file from itunes, since 3.1 wiped it. I have mine in a safe place. However, I've read what you are talking about, so I'm not totally sure you can use it. It would seem you can though.

NVM, to what I said, I didn't understand the new signing process for the 3GS.

They are correct you can't do this with the 3GS because Apple stopped signing the 3.0 and 3.0.1 OS's for the 3GS when 3.1 came out. I would definitely take it to the Genius Bar because that is an insanely ridiculous battery life.

your phone dropped from 49% to 10% in 26mins? time according to your clock....

dont even bother, take it to the apple store...something is clearly wrong...when people talk about bad battery life, they are talking more like a day or half a day with everything possible running...push on, fetching every few mins. You phone lost approx 40% in 26mins.....thats a shot battery.

If you DFU mode and restored it to a brand new phone and it continues, its gotta be replaced.

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